The 26-year-old former Lizzie Maguire star split from husband Mike Comrie in January, although the couple continue to co-parent their two-year-old son.
So amicable was the couple's split, that they actively plan times when they can hang out.
'We are really good friends and we have so much respect for each other, and, obviously, Luca is out number one priority' Hilary told E! News recently.
'We love each other so much and we love spending time together. So when you see us out it's not just for Luca, it's because we make plans and we hang out'
'And we don't know what our future looks like right now, but we're both doing really good and just figuring out what makes us happy.'
Hilary and 33-year-old hockey player Mike wed in 2012 after five years of dating, but sadly split two years later.
Prior to her marraige to Mike, Hilary had dated Good Charlotte frontman Joel Madden, and pop singer Aaron Carter.
The star has been busy juggling her relatively recent motherhood with various showbiz projects - including a new album, and her role in TV series Younger.